August Challenge 2020 Division 1
Subsequence Frequency Counting, Smallest KMP, Chef Thanos Wants Perfect Balance, Chef and Wedding Arrangements, Insanely Hard School Exams
September Challenge 2020 Division 1
Coronavirus Spread 2, Ada Matrix, Divide Candies, Rotate the Polyline, Find XOR, Chef and Trump Cards, A Problem on Sticks, Chefina and Swap
July Cook-Off 2020 Division 2
Even-tual Reduction, OR-thodox Distinction
July Lunchtime 2020 Division 2
Chef and Steps, Maximum Candies, Binary Concatenation
August Lunchtime 2020 Division 1
Game on a Strip, Alien Invasion
October Challenge 2020 Division 1
Positive AND, Adding Squares, D-Dimensional MST, Inversions, Replace for X
November Challenge 2020 Division 1
Restore Sequence, Magical Candy Store, Scalar Product Tree, Unusual Queries
December Challenge 2020 Division 1
Positive Prefixes, Even Pair Sum, String Operations, Calculus, Square Root of LCA Convolution, Hail XOR
February Challenge 2021 Division 1
Team Name, Another Tree with Number Theory, Prime Game, Multiple Games, XOR Sums, Highest Divisor
Code: Nium Challenge
Alphabet Difference, Divide Students Into Classes
India